<?php
/*
	Copyright 2006, 2007, 2008, 2009, 2010 Bastiaan Grutters
    
    This file is part of Ages of Strife website.

    Ages of Strife website is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Ages of Strife website is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Ages of Strife website.  If not, see <http://www.gnu.org/licenses/>.
 */
include( "../global/initialize.php");

if( isset( $_POST[ 'type' ] ) && isset( $_POST[ 'user_id' ] ) ) {
	$other_user_id = getPostValue( 'user_id' );
	$type = $_POST[ 'type' ];
	
	if( $type == 1 ) { // accept invite
		$query = "SELECT * FROM buddy WHERE ( user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ] . " ) OR ( user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ] . " )";
		$result = mysql_query( $query ) or die( "Query failed : " . mysql_error() );
		$row = mysql_fetch_array( $result, MYSQL_ASSOC );
		if( isset( $row[ 'buddy_id' ] ) ) {
			if( $other_user_id == $row[ 'user_id1' ] && $row[ 'accept1' ] == 1 ) {
				$query = "UPDATE buddy SET accept2 = 1, new = 0 WHERE user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ];
				mysql_query( $query ) or die( "Query failed : " . mysql_error() );
				$_SESSION[ 'buddylist_status' ] = "User invitation accepted.";
			}
			else if( $other_user_id == $row[ 'user_id2' ] && $row[ 'accept2' ] == 1 ) {
				$query = "UPDATE buddy SET accept1 = 1, new = 0 WHERE user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ];
				mysql_query( $query ) or die( "Query failed : " . mysql_error() );
				$_SESSION[ 'buddylist_status' ] = translate( "User invitation accepted." );
			}
			else {  
				$_SESSION[ 'buddylist_status' ] = translate( "You can't accept an invitation from yourself." );
			}
		}
	}
	else if( $type == 2 ) { // cancel invite
		$query = "SELECT * FROM buddy WHERE ( user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ] . " ) OR ( user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ] . " )";
		$result = mysql_query( $query ) or die( "Query failed : " . mysql_error() );
		$row = mysql_fetch_array( $result, MYSQL_ASSOC );
		if( isset( $row[ 'buddy_id' ] ) ) {
			//print_r( $row );
			//exit();
			if( $_SESSION[ 'user_id' ] == $row[ 'user_id1' ] && $row[ 'accept1' ] == 1 ) {
				$query = "UPDATE buddy SET accept1 = 0 WHERE user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ];
				mysql_query( $query ) or die( "Query failed : " . mysql_error() );
				$_SESSION[ 'buddylist_status' ] = translate( "User invitation canceled." );
			}
			else if( $_SESSION[ 'user_id' ] == $row[ 'user_id2' ] && $row[ 'accept2' ] == 1 ) {
				$query = "UPDATE buddy SET accept2 = 0 WHERE user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ];
				mysql_query( $query ) or die( "Query failed : " . mysql_error() );
				$_SESSION[ 'buddylist_status' ] = translate( "User invitation canceled." );
			}
			
			$query = "SELECT * FROM buddy WHERE ( user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ] . " ) OR ( user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ] . " )";
			$result = mysql_query( $query ) or die( "Query failed : " . mysql_error() );
			$row = mysql_fetch_array( $result, MYSQL_ASSOC );
			if( $row[ 'accept1' ] == 0 && $row[ 'accept2' ] == 0 ) {
				$query = "DELETE FROM buddy WHERE ( user_id1 = $other_user_id AND user_id2 = " . $_SESSION[ 'user_id' ] . ") OR ( user_id2 = $other_user_id AND user_id1 = " . $_SESSION[ 'user_id' ] . " )";
				mysql_query( $query ) or die( "Query failed : " . mysql_error() );
			}
		}
		else {
			$_SESSION[ 'buddylist_status' ] = translate( "No valid user." );
		}
	}
	header( "Location: ../diplomacy/buddylist.php" );
}
else {
	print( 'Nothing to see here...' );
	exit();
}
?>
